Public water system · WA5302150
ActiveEvergreen Valley
At a glance
Evergreen Valley (PWSID WA5302150) is an active community water system in Kittitas County, Washington. It reports serving 152 people through 294 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
152
Service connections
294
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Evergreen Valley compare with other water systems in Kittitas County?
By EPA's size categories, Evergreen Valley is a very small system (500 people or fewer). Kittitas County has 96 active public water systems. Its population served is well below the county average of 528 people per system, and accounts for 0.3% of the 50,703 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Evergreen Valley is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.
Who owns and regulates Evergreen Valley?
EPA lists Evergreen Valley as privately owned. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 72 of the 96 active systems in Kittitas County (75%) are also privately owned.
Does Evergreen Valley have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2008. The violations listed here began between April 2004 and January 2008. By type: 6 monitoring and reporting. The contaminants or rules involved are Aldicarb sulfone, Oxamyl, Carbofuran and Aldicarb. EPA lists 6 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarbcode 2047 | No | Archived |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Archived |
| 2004-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Evergreen Valley: frequently asked questions
Who runs Evergreen Valley?
Evergreen Valley (PWSID WA5302150) is a community water system privately owned. It is regulated by the WA state drinking water program.
How many people does Evergreen Valley serve?
Evergreen Valley reports serving 152 people through 294 service connections in Kittitas County, Washington.
Where does Evergreen Valley get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Evergreen Valley have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2008. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Evergreen Valley's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.
Where can I find Evergreen Valley's water quality report?
As a community water system, Evergreen Valley must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Kittitas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ellensburg Water Dept | Kittitas | 20,900 | Community | Groundwater |
| Indian John Rest Area (Eb/Wb) | Kittitas | 5,718 | Transient non-community | Groundwater |
| Suncadia Resort | Kittitas | 2,640 | Community | Purchased surface water |
| Wanapum State Park | Kittitas | 2,263 | Transient non-community | Groundwater |
| Kittitas City of | Kittitas | 2,247 | Community | Groundwater |
| Cle Elum Water Department | Kittitas | 2,213 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Evergreen Valley, PWSID WA5302150, Washington”, https://aquacensus.com/water-systems/washington/evergreen-valley-wa5302150 (data as of October 1, 2026).